ed questions are fairly direct in what the interviewer is looking for as a response. For example, do you have experience with heat exchangers? Competency questions are looking more for a demonstration of a certain behaviour. By using the STAR technique you set up the response by giving the situation, describe what was required to be done by you, how you reacted and what was the outcome. Competency/behavioral questions are set up with: describe a situation where…or give an example of where you showed this type of characteristic.